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CoreDNS Time Bomb: How a Schema-Valid EKS Add-on Update Took Down Cluster DNS Two Days Later
Last year, we made a CoreDNS config change where we added a property under the kubernetes plugin.
Jun 1 • Kannan Anandakrishnan

March 2026

Why Kubernetes HPA Didn’t Scale When CPU Was Above 100%
and the hidden impact of unready pods
Mar 22 • Kannan Anandakrishnan

January 2026

Understanding How Deployment Pods Are Named in Kubernetes
One of my favorite interview questions is about pod names in Kubernetes.
Jan 24 • Kannan Anandakrishnan
When One AWS Tag Broke Our Production NLB
Last year, we started noticing a strange issue in several of our AWS EKS clusters.
Jan 11 • Kannan Anandakrishnan
Why I'm Writing Again
and What this space will be
Jan 4 • Kannan Anandakrishnan
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